diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/ui/lint/unused/unused_attributes-must_use.rs | 5 | ||||
| -rw-r--r-- | tests/ui/lint/unused/unused_attributes-must_use.stderr | 36 |
2 files changed, 26 insertions, 15 deletions
diff --git a/tests/ui/lint/unused/unused_attributes-must_use.rs b/tests/ui/lint/unused/unused_attributes-must_use.rs index 51f868706b6..860fc5046d1 100644 --- a/tests/ui/lint/unused/unused_attributes-must_use.rs +++ b/tests/ui/lint/unused/unused_attributes-must_use.rs @@ -79,6 +79,11 @@ trait Use { #[must_use] //~ ERROR `#[must_use]` has no effect impl Use for () { type AssocTy = (); + + #[must_use] //~ ERROR `#[must_use]` has no effect + fn get_four(&self) -> usize { + 4 + } } #[must_use] //~ ERROR `#[must_use]` has no effect diff --git a/tests/ui/lint/unused/unused_attributes-must_use.stderr b/tests/ui/lint/unused/unused_attributes-must_use.stderr index 9633767c442..28fd8eeb8cb 100644 --- a/tests/ui/lint/unused/unused_attributes-must_use.stderr +++ b/tests/ui/lint/unused/unused_attributes-must_use.stderr @@ -76,43 +76,43 @@ LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a trait alias - --> $DIR/unused_attributes-must_use.rs:84:1 + --> $DIR/unused_attributes-must_use.rs:89:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a macro def - --> $DIR/unused_attributes-must_use.rs:87:1 + --> $DIR/unused_attributes-must_use.rs:92:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a statement - --> $DIR/unused_attributes-must_use.rs:95:5 + --> $DIR/unused_attributes-must_use.rs:100:5 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a closure - --> $DIR/unused_attributes-must_use.rs:99:13 + --> $DIR/unused_attributes-must_use.rs:104:13 | LL | let x = #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to an match arm - --> $DIR/unused_attributes-must_use.rs:121:9 + --> $DIR/unused_attributes-must_use.rs:126:9 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a struct field - --> $DIR/unused_attributes-must_use.rs:129:28 + --> $DIR/unused_attributes-must_use.rs:134:28 | LL | let s = PatternField { #[must_use] foo: 123 }; | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a pattern field - --> $DIR/unused_attributes-must_use.rs:130:24 + --> $DIR/unused_attributes-must_use.rs:135:24 | LL | let PatternField { #[must_use] foo } = s; | ^^^^^^^^^^^ @@ -129,6 +129,12 @@ error: `#[must_use]` has no effect when applied to an associated type LL | #[must_use] | ^^^^^^^^^^^ +error: `#[must_use]` has no effect when applied to a provided trait method + --> $DIR/unused_attributes-must_use.rs:83:5 + | +LL | #[must_use] + | ^^^^^^^^^^^ + error: `#[must_use]` has no effect when applied to a foreign static item --> $DIR/unused_attributes-must_use.rs:50:5 | @@ -136,7 +142,7 @@ LL | #[must_use] | ^^^^^^^^^^^ error: unused `X` that must be used - --> $DIR/unused_attributes-must_use.rs:103:5 + --> $DIR/unused_attributes-must_use.rs:108:5 | LL | X; | ^ @@ -152,7 +158,7 @@ LL | let _ = X; | +++++++ error: unused `Y` that must be used - --> $DIR/unused_attributes-must_use.rs:104:5 + --> $DIR/unused_attributes-must_use.rs:109:5 | LL | Y::Z; | ^^^^ @@ -163,7 +169,7 @@ LL | let _ = Y::Z; | +++++++ error: unused `U` that must be used - --> $DIR/unused_attributes-must_use.rs:105:5 + --> $DIR/unused_attributes-must_use.rs:110:5 | LL | U { unit: () }; | ^^^^^^^^^^^^^^ @@ -174,7 +180,7 @@ LL | let _ = U { unit: () }; | +++++++ error: unused return value of `U::method` that must be used - --> $DIR/unused_attributes-must_use.rs:106:5 + --> $DIR/unused_attributes-must_use.rs:111:5 | LL | U::method(); | ^^^^^^^^^^^ @@ -185,7 +191,7 @@ LL | let _ = U::method(); | +++++++ error: unused return value of `foo` that must be used - --> $DIR/unused_attributes-must_use.rs:107:5 + --> $DIR/unused_attributes-must_use.rs:112:5 | LL | foo(); | ^^^^^ @@ -196,7 +202,7 @@ LL | let _ = foo(); | +++++++ error: unused return value of `foreign_foo` that must be used - --> $DIR/unused_attributes-must_use.rs:110:9 + --> $DIR/unused_attributes-must_use.rs:115:9 | LL | foreign_foo(); | ^^^^^^^^^^^^^ @@ -207,7 +213,7 @@ LL | let _ = foreign_foo(); | +++++++ error: unused return value of `Use::get_four` that must be used - --> $DIR/unused_attributes-must_use.rs:118:5 + --> $DIR/unused_attributes-must_use.rs:123:5 | LL | ().get_four(); | ^^^^^^^^^^^^^ @@ -217,5 +223,5 @@ help: use `let _ = ...` to ignore the resulting value LL | let _ = ().get_four(); | +++++++ -error: aborting due to 28 previous errors +error: aborting due to 29 previous errors |